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------------------------------------------------------------------------
r310006 | ahatanak | 2017-08-03 16:55:42 -0700 (Thu, 03 Aug 2017) | 22 lines
[Driver][Darwin] Pass -munwind-table when !UseSjLjExceptions.
This commit fixes a bug where clang/llvm doesn't emit an unwind table
for a function when it is marked noexcept. Without this patch, the
following code terminates with an uncaught exception on ARM64:
int foo1() noexcept {
try {
throw 0;
} catch (int i) {
return 0;
}
return 1;
}
int main() {
return foo1();
}
rdar://problem/32411865
Differential Revision: https://reviews.llvm.org/D35693
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/branches/release_50@310677 91177308-0d34-0410-b5e6-96231b3b80d8
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Patch by Fedor Sergeev
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@308038 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary: Pass the type of the device offloading when building the tool chain for a particular target architecture. This is required when supporting multiple tool chains that target a single device type. In our particular use case, the OpenMP and CUDA tool chains will use the same ```addClangTargetOptions ``` method. This enables the reuse of common options and ensures control over options only supported by a particular tool chain.
Reviewers: arpith-jacob, caomhin, carlo.bertolli, ABataev, jlebar, hfinkel, tstellar, Hahnfeld
Reviewed By: hfinkel
Subscribers: jgravelle-google, aheejin, rengolin, jfb, dschuff, sbc100, cfe-commits
Differential Revision: https://reviews.llvm.org/D29647
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@307272 91177308-0d34-0410-b5e6-96231b3b80d8
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IAS is already used for MIPS64 in majority of Android projects.
Android MIPS64 uses N64 ABI. Set IAS as a default now.
Differential Revision: https://reviews.llvm.org/D34514
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@306280 91177308-0d34-0410-b5e6-96231b3b80d8
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Restore the `-gz` option to the driver with some minor tweaks to handle
the additional case for `-Wa,--compress-debug-sections`.
This intends to make the compression of the debug information
controllable from the driver. The following is the behaviour:
-gz enable compression (ambiguous for format, will default to zlib-gnu)
-gz=none disable compression
-gz=zlib-gnu enable compression (deprecated GNU style zlib compression)
-gz=zlib enable compression (zlib based compression)
Although -Wa,-compress-debug-sections works, it should be discouraged
when using the driver to invoke the assembler. However, we permit the
assembler to accept the GNU as style argument --compress-debug-sections
to maintain compatibility.
Note, -gz/-gz= does *NOT* imply -g. That is, you need to additionally
specific -g for debug information to be generated.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@306115 91177308-0d34-0410-b5e6-96231b3b80d8
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cc1as does not currently access the "--" version of this flag. At the
very least this needs to be fixed and proper test cases need to be
added.
Simple reproducer:
clang -Wa,--compress-debug-sections /tmp/test.cc
Result:
error: unknown argument: '--compress-debug-sections'
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@305182 91177308-0d34-0410-b5e6-96231b3b80d8
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These options control the behaviour of the compression of debug info
sections on ELF targets. Our behaviour slightly diverges from the
behaviour of GCC. `-gz` maps to the `-compress-debug-sections` rather
than `-compress-debug-sections=zlib` or
`-compress-debug-sections=zlib-gnu`. This small divergence allows us to
be compatible across versions of binutils (=zlib support was introduced
in 2.26, while earlier versions only support =zlib-gnu). This also
allows users to not have to worry about the version of the assembler
they may be using if they are not using the IAS. Previously, users
would have had to go through the internal option
`-compress-debug-sectionss` and pass that through to the assembler,
which is no longer needed.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@305165 91177308-0d34-0410-b5e6-96231b3b80d8
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separate section, by Sergey Dmitriev
Linker script that is generated by the clang driver for creating fat binary puts target binaries for all offload targets into a single ELF section .omp_offloading. This is not convenient because it greatly complicates operations with the final fat binary once it is linked. For example extracting target binary for a particular target from such fat executable would not be an easy task if you have more than one offload target.
Attached patch changes clang driver to put target binary for each
offload target into a separate ELF section .omp_offloading.<target
triple>.
Differential Revision: https://reviews.llvm.org/D33254
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@304229 91177308-0d34-0410-b5e6-96231b3b80d8
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Also comes with a cmake cache for building the runtime bits:
$ cmake <normal cmake flags> \
-DBAREMETAL_ARMV6M_SYSROOT=/path/to/sysroot \
-DBAREMETAL_ARMV7M_SYSROOT=/path/to/sysroot \
-DBAREMETAL_ARMV7EM_SYSROOT=/path/to/sysroot \
-C /path/to/clang/cmake/caches/BaremetalARM.cmake \
/path/to/llvm
https://reviews.llvm.org/D33259
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@303873 91177308-0d34-0410-b5e6-96231b3b80d8
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This is because -print-multi-lib depends on them being flags for correctness.
Fixes a case of this in the arm-android multilib selection logic.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@302207 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary: Add support for armv6hl-suse-linux-gnueabi and armv7hl-suse-linux-gnueabi triples used by openSUSE/SUSE.
Reviewers: cfe-commits, rovka, compnerd, rengolin
Reviewed By: rengolin
Subscribers: aemerson, rengolin, bkramer, chandlerc
Differential Revision: https://reviews.llvm.org/D32347
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@300969 91177308-0d34-0410-b5e6-96231b3b80d8
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While at it, extend test for FreeBSD and check for -lrt iff on Linux.
Differential Revision: https://reviews.llvm.org/D30087
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@300689 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
Pass Cpu/Arch options to assembler for AArch64 with no-integrated-as.
This fixes PR20019.
Reviewers: richard.barton.arm, kristof.beyls, rengolin
Reviewed By: rengolin
Subscribers: srhines, pirama, aemerson, rengolin, cfe-commits
Differential Revision: https://reviews.llvm.org/D32132
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@300571 91177308-0d34-0410-b5e6-96231b3b80d8
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The config-*triple* file handling isn't tolerant of
leading/trailing whitespace, making it not terribly
obvious when a single extraneous tab/space/etc will
cause the override to be ignored. This patch simply
trims the lines to ensure that it is tolerant of
whitespace.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@300328 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
This change depends on D31381 where we change the implementation to use
sanitizer_common provided atomic operations library.
Fixes http://llvm.org/PR32274.
Reviewers: pelikan, dblaikie
Subscribers: cfe-commits
Differential Revision: https://reviews.llvm.org/D31382
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@298835 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
Now that XRay doesn't require a runtime dependency on a C++ standard
library, we remove that dependency from the clang linker flags.
Reviewers: saugustine, pelikan
Subscribers: cfe-commits
Differential Revision: https://reviews.llvm.org/D31313
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@298670 91177308-0d34-0410-b5e6-96231b3b80d8
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This function already does the very same thing.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@297271 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
(This is a move-only refactoring patch. There are no functionality changes.)
This patch splits apart the Clang driver's tool and toolchain implementation
files. Each target platform toolchain is moved to its own file, along with the
closest-related tools. Each target platform toolchain has separate headers and
implementation files, so the hierarchy of classes is unchanged.
There are some remaining shared free functions, mostly from Tools.cpp. Several
of these move to their own architecture-specific files, similar to r296056. Some
of them are only used by a single target platform; since the tools and
toolchains are now together, some helpers now live in a platform-specific file.
The balance are helpers related to manipulating argument lists, so they are now
in a new file pair, CommonArgs.h and .cpp.
I've tried to cluster the code logically, which is fairly straightforward for
most of the target platforms and shared architectures. I think I've made
reasonable choices for these, as well as the various shared helpers; but of
course, I'm happy to hear feedback in the review.
There are some particular things I don't like about this patch, but haven't been
able to find a better overall solution. The first is the proliferation of files:
there are several files that are tiny because the toolchain is not very
different from its base (usually the Gnu tools/toolchain). I think this is
mostly a reflection of the true complexity, though, so it may not be "fixable"
in any reasonable sense. The second thing I don't like are the includes like
"../Something.h". I've avoided this largely by clustering into the current file
structure. However, a few of these includes remain, and in those cases it
doesn't make sense to me to sink an existing file any deeper.
Reviewers: rsmith, mehdi_amini, compnerd, rnk, javed.absar
Subscribers: emaste, jfb, danalbert, srhines, dschuff, jyknight, nemanjai, nhaehnle, mgorny, cfe-commits
Differential Revision: https://reviews.llvm.org/D30372
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@297250 91177308-0d34-0410-b5e6-96231b3b80d8
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